A:AnswerMy Epson ET-3850 came with 502 inks.
I have read that 502 and 522 are not interchangeable, and are designed for different printer models, so I do not know why you got 522s.
502 is pigment-based and 522 is dye-based.
A:AnswerThey showed an online promotion a couple weeks ago but I never could get it and no one could figure it out to help me they all said you're printer purchase was eligible but didn't ever happen even called customer service